The Commission Rules, minutes, classification plan, eligible lists, certification lists and those other records defined as public records in accordance with applicable state law, shall be open to the public. Such records may be inspected during regular business hours, subject to reasonable conditions. All examinations and examination materials and papers are the property of the Commission and shall be kept confidential to the maximum extent permitted by law. Other paper, records, and supporting documents of the Commission may, at the discretion and with the consent of the Commission, be open to public inspection.